Cordless telephone headset



FIG. 1 is a right side front perspective view of a cordless telephone headset showing my new design;

FIG. 2 is a front elevation rear view;

FIG. 3 is a right side elevation view;

FIG. 4 is a left side elevation view;

FIG. 5 is a back elevation view;

FIG. 6 is a bottom plan view, and

FIG. 7 is a top plan view; and,

FIG. 8 is right side front perspective view showing in phantom a telephone base supporting said cordless telephone headset therein.

The broken line showings of FIG. 8 are for illustrative purposes only and form no part of the claimed design. Portions of the broken line disclosure have been shown through the solid line disclosure for convenience of illustration. The headset of FIG. 8 being the same in appearance as that shown in FIG. 1. 

The ornamental design for a cordless telephone headset, as shown and described. 